1、The ionization potential of an atom is the amount of energy needed to remove an electron from the atom. (一个原子的电离势是移除一个电子所需的能量量。)
2、The ionization of water produces both positive hydrogen ions and negative hydroxide ions. (水的电离产生了既有正电荷的氢离子，又有负电荷的羟离子。)